Unreal Engine Game Polygon Blockchain Integration -- 2

Please don't make offer without complete reading my requirement. I have an unreal engine game prototype, You just need to integrate polygon blockchain to my existing prototype unreal engine game, So that user can login by wallet address and trade nft. Remember It's just a prototype for showcase. You just need to make it work. Video Sample: https://youtu.be/FsL4Fs5hd14 You can follow this video, I don't need exactly like this, Just need to Login with polygon wallet address, And trade. This is maximum 3-5 hours of work. Budget is $50 fixed, So please don't ask budget in inbox or offer more then my budget, or i will reject it. Thanks